CVE-2000-0900

Exp

Directory traversal vulnerability in ssi CGI program in thttpd 2.19 and earlier allows remote attackers to read arbitrary files via a "%2e%2e" string, a variation of the .. (dot dot) attack.

Published: 2000-12-19 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2000-0900 is rated High Exploit Risk (73.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.02%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2000-0900

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2000-0900

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.19% 2.02% +0.83%
2 2025-03-17 1.11% 1.19% +0.08%
3 2023-03-07 — 1.11% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2000-0900

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2000-0900

Affected software / configurations for CVE-2000-0900

Vendor Product Version Raw CPE
acme_labs thttpd 2.16 cpe:2.3:a:acme_labs:thttpd:2.16:*:*:*:*:*:*:*
acme_labs thttpd 2.17 cpe:2.3:a:acme_labs:thttpd:2.17:*:*:*:*:*:*:*
acme_labs thttpd 2.18 cpe:2.3:a:acme_labs:thttpd:2.18:*:*:*:*:*:*:*
acme_labs thttpd 2.19 cpe:2.3:a:acme_labs:thttpd:2.19:*:*:*:*:*:*:*

References for CVE-2000-0900

cvelogic Threat Intelligence